drivers/net/wireless/iwlwifi/iwl-2000.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/init.h>
  30 #include <linux/delay.h>
  31 #include <linux/skbuff.h>
  32 #include <linux/netdevice.h>
  33 #include <net/mac80211.h>
  34 #include <linux/etherdevice.h>
  35 #include <asm/unaligned.h>
  36 #include <linux/stringify.h>
  37
  38 #include "iwl-eeprom.h"
  39 #include "iwl-dev.h"
  40 #include "iwl-core.h"
  41 #include "iwl-io.h"
  42 #include "iwl-sta.h"
  43 #include "iwl-agn.h"
  44 #include "iwl-helpers.h"
  45 #include "iwl-agn-hw.h"
  46 #include "iwl-6000-hw.h"
  47
  48 /* Highest firmware API version supported */
  49 #define IWL2030_UCODE_API_MAX 6
  50 #define IWL2000_UCODE_API_MAX 6
  51 #define IWL105_UCODE_API_MAX 6
  52 #define IWL135_UCODE_API_MAX 6
  53
  54 /* Oldest version we won't warn about */
  55 #define IWL2030_UCODE_API_OK 5
  56 #define IWL2000_UCODE_API_OK 5
  57 #define IWL105_UCODE_API_OK 5
  58 #define IWL135_UCODE_API_OK 5
  59
  60 /* Lowest firmware API version supported */
  61 #define IWL2030_UCODE_API_MIN 5
  62 #define IWL2000_UCODE_API_MIN 5
  63 #define IWL105_UCODE_API_MIN 5
  64 #define IWL135_UCODE_API_MIN 5
  65
  66 #define IWL2030_FW_PRE "iwlwifi-2030-"
  67 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
  68
  69 #define IWL2000_FW_PRE "iwlwifi-2000-"
  70 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
  71
  72 #define IWL105_FW_PRE "iwlwifi-105-"
  73 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
  74
  75 #define IWL135_FW_PRE "iwlwifi-135-"
  76 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE #api ".ucode"
  77
  78 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  79 {
  80         /* want Celsius */
  81         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
  82         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  83 }
  84
  85 /* NIC configuration for 2000 series */
  86 static void iwl2000_nic_config(struct iwl_priv *priv)
  87 {
  88         iwl_rf_config(priv);
  89
  90         if (priv->cfg->iq_invert)
  91                 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
  92                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
  93 }
  94
  95 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
  96         .min_nrg_cck = 97,
  97         .max_nrg_cck = 0, /* not used, set to 0 */
  98         .auto_corr_min_ofdm = 80,
  99         .auto_corr_min_ofdm_mrc = 128,
 100         .auto_corr_min_ofdm_x1 = 105,
 101         .auto_corr_min_ofdm_mrc_x1 = 192,
 102
 103         .auto_corr_max_ofdm = 145,
 104         .auto_corr_max_ofdm_mrc = 232,
 105         .auto_corr_max_ofdm_x1 = 110,
 106         .auto_corr_max_ofdm_mrc_x1 = 232,
 107
 108         .auto_corr_min_cck = 125,
 109         .auto_corr_max_cck = 175,
 110         .auto_corr_min_cck_mrc = 160,
 111         .auto_corr_max_cck_mrc = 310,
 112         .nrg_th_cck = 97,
 113         .nrg_th_ofdm = 100,
 114
 115         .barker_corr_th_min = 190,
 116         .barker_corr_th_min_mrc = 390,
 117         .nrg_th_cca = 62,
 118 };
 119
 120 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 121 {
 122         if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
 123             iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
 124                 priv->cfg->base_params->num_of_queues =
 125                         iwlagn_mod_params.num_of_queues;
 126
 127         priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
 128         priv->hw_params.scd_bc_tbls_size =
 129                 priv->cfg->base_params->num_of_queues *
 130                 sizeof(struct iwlagn_scd_bc_tbl);
 131         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 132         priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
 133         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 134
 135         priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
 136         priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
 137
 138         priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
 139
 140         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 141         if (priv->cfg->rx_with_siso_diversity)
 142                 priv->hw_params.rx_chains_num = 1;
 143         else
 144                 priv->hw_params.rx_chains_num =
 145                         num_of_ant(priv->cfg->valid_rx_ant);
 146         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
 147         priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
 148
 149         iwl2000_set_ct_threshold(priv);
 150
 151         /* Set initial sensitivity parameters */
 152         /* Set initial calibration set */
 153         priv->hw_params.sens = &iwl2000_sensitivity;
 154         priv->hw_params.calib_init_cfg =
 155                 BIT(IWL_CALIB_XTAL)             |
 156                 BIT(IWL_CALIB_LO)               |
 157                 BIT(IWL_CALIB_TX_IQ)            |
 158                 BIT(IWL_CALIB_BASE_BAND);
 159         if (priv->cfg->need_dc_calib)
 160                 priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
 161         if (priv->cfg->need_temp_offset_calib)
 162                 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
 163
 164         priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
 165
 166         return 0;
 167 }
 168
 169 static struct iwl_lib_ops iwl2000_lib = {
 170         .set_hw_params = iwl2000_hw_set_hw_params,
 171         .nic_config = iwl2000_nic_config,
 172         .eeprom_ops = {
 173                 .regulatory_bands = {
 174                         EEPROM_REG_BAND_1_CHANNELS,
 175                         EEPROM_REG_BAND_2_CHANNELS,
 176                         EEPROM_REG_BAND_3_CHANNELS,
 177                         EEPROM_REG_BAND_4_CHANNELS,
 178                         EEPROM_REG_BAND_5_CHANNELS,
 179                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 180                         EEPROM_REGULATORY_BAND_NO_HT40,
 181                 },
 182                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 183         },
 184         .temperature = iwlagn_temperature,
 185 };
 186
 187 static struct iwl_lib_ops iwl2030_lib = {
 188         .set_hw_params = iwl2000_hw_set_hw_params,
 189         .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
 190         .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 191         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 192         .nic_config = iwl2000_nic_config,
 193         .eeprom_ops = {
 194                 .regulatory_bands = {
 195                         EEPROM_REG_BAND_1_CHANNELS,
 196                         EEPROM_REG_BAND_2_CHANNELS,
 197                         EEPROM_REG_BAND_3_CHANNELS,
 198                         EEPROM_REG_BAND_4_CHANNELS,
 199                         EEPROM_REG_BAND_5_CHANNELS,
 200                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 201                         EEPROM_REGULATORY_BAND_NO_HT40,
 202                 },
 203                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 204         },
 205         .temperature = iwlagn_temperature,
 206 };
 207
 208 static struct iwl_base_params iwl2000_base_params = {
 209         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 210         .num_of_queues = IWLAGN_NUM_QUEUES,
 211         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 212         .pll_cfg_val = 0,
 213         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 214         .shadow_ram_support = true,
 215         .led_compensation = 51,
 216         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 217         .adv_thermal_throttle = true,
 218         .support_ct_kill_exit = true,
 219         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 220         .chain_noise_scale = 1000,
 221         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 222         .max_event_log_size = 512,
 223         .shadow_reg_enable = true,
 224         .hd_v2 = true,
 225 };
 226
 227
 228 static struct iwl_base_params iwl2030_base_params = {
 229         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 230         .num_of_queues = IWLAGN_NUM_QUEUES,
 231         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 232         .pll_cfg_val = 0,
 233         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 234         .shadow_ram_support = true,
 235         .led_compensation = 57,
 236         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 237         .adv_thermal_throttle = true,
 238         .support_ct_kill_exit = true,
 239         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 240         .chain_noise_scale = 1000,
 241         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 242         .max_event_log_size = 512,
 243         .shadow_reg_enable = true,
 244         .hd_v2 = true,
 245 };
 246
 247 static struct iwl_ht_params iwl2000_ht_params = {
 248         .ht_greenfield_support = true,
 249         .use_rts_for_aggregation = true, /* use rts/cts protection */
 250 };
 251
 252 static struct iwl_bt_params iwl2030_bt_params = {
 253         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 254         .advanced_bt_coexist = true,
 255         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 256         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 257         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 258         .bt_sco_disable = true,
 259         .bt_session_2 = true,
 260 };
 261
 262 #define IWL_DEVICE_2000                                         \
 263         .fw_name_pre = IWL2000_FW_PRE,                          \
 264         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 265         .ucode_api_ok = IWL2000_UCODE_API_OK,                   \
 266         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 267         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 268         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 269         .lib = &iwl2000_lib,                                    \
 270         .base_params = &iwl2000_base_params,                    \
 271         .need_dc_calib = true,                                  \
 272         .need_temp_offset_calib = true,                         \
 273         .led_mode = IWL_LED_RF_STATE,                           \
 274         .iq_invert = true                                       \
 275
 276 struct iwl_cfg iwl2000_2bgn_cfg = {
 277         .name = "2000 Series 2x2 BGN",
 278         IWL_DEVICE_2000,
 279         .ht_params = &iwl2000_ht_params,
 280 };
 281
 282 struct iwl_cfg iwl2000_2bg_cfg = {
 283         .name = "2000 Series 2x2 BG",
 284         IWL_DEVICE_2000,
 285 };
 286
 287 #define IWL_DEVICE_2030                                         \
 288         .fw_name_pre = IWL2030_FW_PRE,                          \
 289         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 290         .ucode_api_ok = IWL2030_UCODE_API_OK,                   \
 291         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 292         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 293         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 294         .lib = &iwl2030_lib,                                    \
 295         .base_params = &iwl2030_base_params,                    \
 296         .bt_params = &iwl2030_bt_params,                        \
 297         .need_dc_calib = true,                                  \
 298         .need_temp_offset_calib = true,                         \
 299         .led_mode = IWL_LED_RF_STATE,                           \
 300         .adv_pm = true,                                         \
 301         .iq_invert = true                                       \
 302
 303 struct iwl_cfg iwl2030_2bgn_cfg = {
 304         .name = "2000 Series 2x2 BGN/BT",
 305         IWL_DEVICE_2030,
 306         .ht_params = &iwl2000_ht_params,
 307 };
 308
 309 struct iwl_cfg iwl2030_2bg_cfg = {
 310         .name = "2000 Series 2x2 BG/BT",
 311         IWL_DEVICE_2030,
 312 };
 313
 314 #define IWL_DEVICE_105                                          \
 315         .fw_name_pre = IWL105_FW_PRE,                           \
 316         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 317         .ucode_api_ok = IWL105_UCODE_API_OK,                    \
 318         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 319         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 320         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 321         .lib = &iwl2000_lib,                                    \
 322         .base_params = &iwl2000_base_params,                    \
 323         .need_dc_calib = true,                                  \
 324         .need_temp_offset_calib = true,                         \
 325         .led_mode = IWL_LED_RF_STATE,                           \
 326         .adv_pm = true,                                         \
 327         .rx_with_siso_diversity = true,                         \
 328         .iq_invert = true                                       \
 329
 330 struct iwl_cfg iwl105_bg_cfg = {
 331         .name = "105 Series 1x1 BG",
 332         IWL_DEVICE_105,
 333 };
 334
 335 struct iwl_cfg iwl105_bgn_cfg = {
 336         .name = "105 Series 1x1 BGN",
 337         IWL_DEVICE_105,
 338         .ht_params = &iwl2000_ht_params,
 339 };
 340
 341 #define IWL_DEVICE_135                                          \
 342         .fw_name_pre = IWL135_FW_PRE,                           \
 343         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 344         .ucode_api_ok = IWL135_UCODE_API_OK,                    \
 345         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 346         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 347         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 348         .lib = &iwl2030_lib,                                    \
 349         .base_params = &iwl2030_base_params,                    \
 350         .bt_params = &iwl2030_bt_params,                        \
 351         .need_dc_calib = true,                                  \
 352         .need_temp_offset_calib = true,                         \
 353         .led_mode = IWL_LED_RF_STATE,                           \
 354         .adv_pm = true,                                         \
 355         .rx_with_siso_diversity = true,                         \
 356         .iq_invert = true                                       \
 357
 358 struct iwl_cfg iwl135_bg_cfg = {
 359         .name = "135 Series 1x1 BG/BT",
 360         IWL_DEVICE_135,
 361 };
 362
 363 struct iwl_cfg iwl135_bgn_cfg = {
 364         .name = "135 Series 1x1 BGN/BT",
 365         IWL_DEVICE_135,
 366         .ht_params = &iwl2000_ht_params,
 367 };
 368
 369 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 370 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 371 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 372 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));